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                                <div id="anchor-navigation-ex-navbar"><i class="fa fa-navicon"></i><ul><li><span class="title-icon "></span><a href="#6-nvram"><b></b>6. NVRAM</a></li><ul><li><span class="title-icon "></span><a href="#uiscale-ui-&#x7F29;&#x653E;"><b></b>UIScale UI &#x7F29;&#x653E;</a></li><li><span class="title-icon "></span><a href="#boot-args-&#x542F;&#x52A8;&#x9879;"><b></b>boot-args &#x542F;&#x52A8;&#x9879;</a></li><li><span class="title-icon "></span><a href="#csr-active-config-sip-&#x76F8;&#x5173;"><b></b>csr-active-config SIP &#x76F8;&#x5173;</a></li><li><span class="title-icon "></span><a href="#prev-langkbd-&#x8BED;&#x8A00;&#x8BBE;&#x7F6E;"><b></b>prev-lang:kbd &#x8BED;&#x8A00;&#x8BBE;&#x7F6E;</a></li><li><span class="title-icon "></span><a href="#writeflash"><b></b>WriteFlash</a></li></ul></ul></div><a href="#6-nvram" id="anchorNavigationExGoTop"><i class="fa fa-arrow-up"></i></a><h1 id="6-nvram"><a name="6-nvram" class="anchor-navigation-ex-anchor" href="#6-nvram"><i class="fa fa-link" aria-hidden="true"></i></a>6. NVRAM</h1>
<p>NVRAM &#x90E8;&#x5206;&#xFF0C;&#x8FD9;&#x90E8;&#x5206;&#x57FA;&#x672C;&#x4E0A;&#x662F;&#x901A;&#x7528;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x56FD;&#x5149;&#x6211;&#x4E5F;&#x5F88;&#x559C;&#x6B22;&#x8FD9;&#x4E00;&#x7AE0;&#xFF0C;&#x8FD9;&#x6837;&#x5C31;&#x4E0D;&#x7528;&#x8003;&#x8651;&#x5404;&#x4E2A;&#x673A;&#x578B;&#x4E86;&#xFF0C;&#x5199;&#x8D77;&#x6765;&#x4F1A;&#x6BD4;&#x8F83;&#x987A;&#x5FC3;&#x3002;</p>
<p><a href="https://image.3001.net/images/20210921/16321868668123.png" data-lightbox="4470ba06-5b67-48b2-87ff-492f63d65a87" data-title="" target="_blank"><img src="https://image.3001.net/images/20210921/16321868668123.png" alt=""></a>  </p>
<p>&#x8FD9;&#x90E8;&#x5206;&#x4E00;&#x822C;&#x4E3B;&#x8981;&#x5173;&#x6CE8;&#x4EE5;&#x4E0B; 5 &#x4E2A;&#x9009;&#x9879;&#x3002;</p>
<h2 id="uiscale-ui-&#x7F29;&#x653E;"><a name="uiscale-ui-&#x7F29;&#x653E;" class="anchor-navigation-ex-anchor" href="#uiscale-ui-&#x7F29;&#x653E;"><i class="fa fa-link" aria-hidden="true"></i></a>UIScale UI &#x7F29;&#x653E;</h2>
<p>UIScale &#x6709; 01 &#x548C; 02 &#x4E24;&#x4E2A;&#x503C;&#x53EF;&#x9009;&#xFF1A;</p>
<p><a href="https://image.3001.net/images/20210921/16321540437078.png" data-lightbox="6da3e7fb-90bd-48b8-a022-59a6d310363e" data-title="" target="_blank"><img src="https://image.3001.net/images/20210921/16321540437078.png" alt=""></a> </p>
<ul>
<li><p>01 &#x8868;&#x793A;&#x9ED8;&#x8BA4;&#x7F29;&#x653E;</p>
</li>
<li><p>02 &#x8868;&#x793A;&#x5F00;&#x542F; HiDPi</p>
<ul>
<li>&#x4E00;&#x822C;&#x5982;&#x679C;&#x642D;&#x914D;&#x7684;&#x662F;&#x539F;&#x751F; 4k &#x663E;&#x793A;&#x5668;&#x4F7F;&#x7528;&#xFF0C;&#x6548;&#x679C;&#x4F1A;&#x597D;&#x4E00;&#x4E9B;</li>
<li>&#x5982;&#x679C;&#x975E; 4k &#x663E;&#x793A;&#x5668;&#x4F7F;&#x7528;&#x811A;&#x672C;&#x5F3A;&#x5236;&#x5F00;&#x542F; HiDPi &#x7684;&#x8BDD;&#x4E5F;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528;&#xFF0C;&#x8FD9;&#x6837;&#x5F00;&#x673A; Logo &#x4E0D;&#x4F1A;&#x5927;&#x5C0F;&#x53D8;</li>
</ul>
</li>
</ul>
<h2 id="boot-args-&#x542F;&#x52A8;&#x9879;"><a name="boot-args-&#x542F;&#x52A8;&#x9879;" class="anchor-navigation-ex-anchor" href="#boot-args-&#x542F;&#x52A8;&#x9879;"><i class="fa fa-link" aria-hidden="true"></i></a>boot-args &#x542F;&#x52A8;&#x9879;</h2>
<p>&#x4E3B;&#x8981;&#x8BBE;&#x7F6E;&#x4E00;&#x4E9B;&#x542F;&#x52A8;&#x9879;&#x4E4B;&#x7C7B;&#x7684;&#xFF1A;</p>
<p><a href="https://image.3001.net/images/20210921/16321541684627.png" data-lightbox="d415f1b6-8903-4a62-a0fe-b2f7769fe2f0" data-title="" target="_blank"><img src="https://image.3001.net/images/20210921/16321541684627.png" alt=""></a> </p>
<p>&#x5E38;&#x7528;&#x5185;&#x6838;&#x5F15;&#x5BFC;&#x6807;&#x8BC6;&#x7B26;&#x5408;&#x96C6;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">&#x5F15;&#x5BFC;&#x6807;&#x8BC6;&#x7B26;</th>
<th style="text-align:left">&#x4F5C;&#x7528;</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center"><code>-amd_no_dgpu_accel</code></td>
<td style="text-align:left">&#x5173;&#x95ED; AMD &#x663E;&#x5361;&#x786C;&#x4EF6;&#x52A0;&#x901F;</td>
</tr>
<tr>
<td style="text-align:center"><code>cpus=#</code></td>
<td style="text-align:left">&#x542F;&#x7528; <code>#</code> &#x4E2A; CPU &#x6838;&#x5FC3;</td>
</tr>
<tr>
<td style="text-align:center"><a href="http://www.yekki.me/power-nap-and-darkwake-argument/" target="_blank"><code>darkwake=0</code></a></td>
<td style="text-align:left">&#x7981;&#x7528; Power Nap</td>
</tr>
<tr>
<td style="text-align:center"><code>dart=0</code></td>
<td style="text-align:left">&#x7981;&#x7528; VT-d</td>
</tr>
<tr>
<td style="text-align:center"><code>debug=0x100</code></td>
<td style="text-align:left">&#x53D1;&#x751F; KP &#x65F6;&#x4E0D;&#x81EA;&#x52A8;&#x91CD;&#x542F;</td>
</tr>
<tr>
<td style="text-align:center"><code>kext-dev-mode=1</code></td>
<td style="text-align:left">&#x542F;&#x7528; Kext &#x5F00;&#x53D1;&#x6A21;&#x5F0F;, &#x975E;&#x5F00;&#x53D1;&#x8005;&#x8BF7;&#x52FF;&#x4F7F;&#x7528;</td>
</tr>
<tr>
<td style="text-align:center"><code>-no_compat_check</code></td>
<td style="text-align:left">&#x5173;&#x95ED;&#x517C;&#x5BB9;&#x6027;&#x68C0;&#x67E5;</td>
</tr>
<tr>
<td style="text-align:center"><code>-s</code></td>
<td style="text-align:left">&#x5355;&#x7528;&#x6237;&#x6A21;&#x5F0F;</td>
</tr>
<tr>
<td style="text-align:center"><code>slide=#</code></td>
<td style="text-align:left">&#x624B;&#x52A8;&#x8BBE;&#x7F6E; KASLR slide &#x503C;&#x4E3A; <code>#</code></td>
</tr>
<tr>
<td style="text-align:center"><code>-v</code></td>
<td style="text-align:left">verbose &#x8DD1;&#x7801;&#x6A21;&#x5F0F;</td>
</tr>
<tr>
<td style="text-align:center"><code>-x</code></td>
<td style="text-align:left">&#x5B89;&#x5168;&#x6A21;&#x5F0F;</td>
</tr>
<tr>
<td style="text-align:center"><code>alcid=x</code></td>
<td style="text-align:left">&#x6CE8;&#x5165; AppleALC &#x58F0;&#x5361; ID</td>
</tr>
<tr>
<td style="text-align:center"><code>agdpmod=pikera</code></td>
<td style="text-align:left">5700XT &#x7B49;&#x9AD8;&#x7AEF; A &#x5361;&#x9700;&#x8981;&#x914D;&#x5408;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;&#x5426;&#x5219;&#x53EF;&#x80FD;&#x9ED1;&#x5C4F;</td>
</tr>
<tr>
<td style="text-align:center"><code>-wegnoegpu</code></td>
<td style="text-align:left">&#x7528;&#x4E8E;&#x7981;&#x7528;&#x9664;&#x96C6;&#x6210; Intel iGPU &#x4E4B;&#x5916;&#x7684;&#x6240;&#x6709;&#x5176;&#x4ED6; GPU</td>
</tr>
</tbody>
</table>
<h2 id="csr-active-config-sip-&#x76F8;&#x5173;"><a name="csr-active-config-sip-&#x76F8;&#x5173;" class="anchor-navigation-ex-anchor" href="#csr-active-config-sip-&#x76F8;&#x5173;"><i class="fa fa-link" aria-hidden="true"></i></a><strong>csr-active-config</strong> SIP &#x76F8;&#x5173;</h2>
<p>&#x7CFB;&#x7EDF;&#x5B8C;&#x6574;&#x6027;&#x4FDD;&#x62A4; (SIP) &#x7684;&#x8BBE;&#x7F6E;&#xFF0C;&#x4E00;&#x822C;&#x5EFA;&#x8BAE;&#x9ED8;&#x8BA4;&#x5C31;&#x884C;&#xFF0C;</p>
<p><a href="https://image.3001.net/images/20210921/16321545753177.png" data-lightbox="9f92f1ae-0819-4b25-8c97-a1dab42f4ed4" data-title="" target="_blank"><img src="https://image.3001.net/images/20210921/16321545753177.png" alt=""></a> </p>
<p>&#x76F8;&#x5173;&#x503C;&#x7684;&#x8BF4;&#x660E;&#xFF1A;</p>
<ul>
<li><code>00000000</code> - SIP &#x5B8C;&#x5168;&#x542F;&#x7528; (0x0)&#x3002;</li>
<li><code>03000000</code> - &#x7981;&#x7528; kext &#x7B7E;&#x540D; (0x1) &#x548C;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x4FDD;&#x62A4; (0x2)&#x3002;</li>
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<li><code>FF070000</code>- &#x7981;&#x7528;macOS Mojave &#x4E2D;&#x7684;&#x6240;&#x6709;&#x6807;&#x5FD7;&#x5728;macOS Catalina(0x7ff)&#xFF0C;&#x56E0;&#x4E3A; Apple &#x4E3A;&#x53EF;&#x6267;&#x884C;&#x7B56;&#x7565;&#x5F15;&#x5165;&#x4E86;&#x4E00;&#x4E2A;&#x503C;&#x3002;</li>
<li><code>FF0F0000</code>- &#x7981;&#x7528; macOS Big Sur (0xfff) &#x4E2D;&#x7684;&#x6240;&#x6709;&#x6807;&#x5FD7;&#xFF0C;&#x8BE5;&#x6807;&#x5FD7;&#x4E3A;&#x7ECF;&#x8FC7;&#x8EAB;&#x4EFD;&#x9A8C;&#x8BC1;&#x7684; root&#x63D0;&#x4F9B;&#x4E86;&#x53E6;&#x4E00;&#x4E2A;&#x65B0;&#x6807;&#x5FD7; </li>
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<p>&#x56FD;&#x5149;&#x6211;&#x4E2A;&#x4EBA;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;&#x5207;&#x6362; SIP&#xFF0C;&#x8FD9;&#x6837;&#x6BD4;&#x8F83;&#x65B9;&#x4FBF;&#x9AD8;&#x6548;&#xFF1A;</p>
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